Measurement and characterization of wideband channel for in-vehicle environment

  • Authors:

  • Nianzu Zhang;Xiaowei Zhu;Leilei Liu;Chen Yu;Yan Zhang;Yuandan Dong;Hui Zhang;Zhenqi Kuai;Wei Hong

  • Affiliations:

  • State Key Laboratory of Millimeter Waves, School of Information Science and Engineering, Southeast University, Nanjing, P. R. China;State Key Laboratory of Millimeter Waves, School of Information Science and Engineering, Southeast University, Nanjing, P. R. China;State Key Laboratory of Millimeter Waves, School of Information Science and Engineering, Southeast University, Nanjing, P. R. China;State Key Laboratory of Millimeter Waves, School of Information Science and Engineering, Southeast University, Nanjing, P. R. China;State Key Laboratory of Millimeter Waves, School of Information Science and Engineering, Southeast University, Nanjing, P. R. China;State Key Laboratory of Millimeter Waves, School of Information Science and Engineering, Southeast University, Nanjing, P. R. China;State Key Laboratory of Millimeter Waves, School of Information Science and Engineering, Southeast University, Nanjing, P. R. China;State Key Laboratory of Millimeter Waves, School of Information Science and Engineering, Southeast University, Nanjing, P. R. China;State Key Laboratory of Millimeter Waves, School of Information Science and Engineering, Southeast University, Nanjing, P. R. China

  • Venue:
  • RWS'09 Proceedings of the 4th international conference on Radio and wireless symposium
  • Year:
  • 2009

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Abstract

This paper presents the results of wideband channel measurement campaigns conducted in vehicle environment. A frequency range of 0.5 - 16 GHz was measured using a vector network analyzer. Typical in-vehicle scenarios, including line-of-sight (LOS), non-line-of-sight (NLOS), different distance, impact of passengers, were considered. The objective of this work is to obtain a better assessment of the potentials of in-vehicle communications by characterizing the wideband in-vehicle communication channels. Results showed that the energy arrives in clusters, and that the abundant scatters and absorber caused dense multipath scattering. Further analysis of the results showed the power delay profile could be basically modeled by a Saleh-Valenzuela (S-V) model. It is also noticed that delay spread and thus the coherence bandwidth depended only slightly on the distance, mainly on the structure of the car interior and layout of the passengers.